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Physiological Psychology

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Term
Definition
Glial Cells   show
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show An autoimmune disorder that destroys the myelin sheath and is caused by a malfunctioning immune system. Symptoms include: impaired vision, pain, fatigue, slurred speech, impaired coordination, and tremors  
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show Increase the likelihood of an action potential  
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show Decreases likelihood of an action potential  
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show Electrical Impulse that is responsible for the release of a neurotransmitter into the synapse  
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Dopamine   show
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show Associated with Parkinson's, Huntington's, Tourette's, ADHD, MDD, and Schizophrenia  
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show Positive symptoms are associated with Dopamine HYPERactivity in subcortical regions Negative symptoms are associated with Dopamine HYPOactivity in cortical regions, notably, the prefrontal cortex  
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show Involved in control of skeletal muscles, regulation of smooth and cardiac muscles, arousal, attention, memory  
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Low levels of Ach   show
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show Major excitatory neurotransmitter; involved in movement, emotions, learning, and memory. Glutamate is involved in long-term potentiation, which is necessary for long term memory.  
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show Neuronal damage associated with seizures, TBI, Huntington's and Alzheimer's  
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Norepinephrine   show
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show ADHD, mania, depression. The Catecholamine hypothesis says that depression is due to low levels of catecholamines, including Norepinephrine. Mania is due to high levels.  
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show Involved in arousal, sleep, sexual activity, aggression, mood, hunger, pain, body temperature  
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Low levels of 5-HT   show
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show Autism, Schizophrenia, food restriction in Anorexia  
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GABA   show
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show Anxiety, mania, insomnia, seizures, Parkinson's and Huntington's Benzo's reduce anxiety and induce sleepiness by enhancing the effects of GABA  
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Endorphins   show
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Agonists   show
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show Produce effects that are similar to (but weaker) the neurotransmitter at the receptors EX: Buspirone is a partial agonists for 5-HT and is used to treat anxiety  
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Inverse agonists   show
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show Produce no effects on their own and block or reduce the effects of a neutransmitter or agonist at receptors. EX: Antipsychotics that block DA receptors are antagonists, such as Haloperidol  
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Created by: veb1922
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